TY  - BOOK
AU  - Cochran, William G.
TI  - Sampling techniques
SN  - 9788126515240
U1  - 519.52 
PY  - 1999///
CY  - New Delhi
PB  - Wiley(India)
KW  - Sampling
KW  - Statistics
N1  - Includes bibliographical references and index
ER  -